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Actual product may differ slightly in appearance.

OWC Memory Upgrades 

For 27" iMac with Retina 5K Display (2019 - 2020)

128

GB

Up to 128GB memory

4

X

Up to 4x more memory vs. factory options

Works with the following Model IDs

  • iMac20,2
  • MacBookPro5,2
  • MacBookPro5,3
  • iMac20,1
  • MacBookPro5,5
  • MacBookPro6,1
  • iMac19,1
  • MacBookPro7,1

Click here to find your Mac's Model ID

Recommended Upgrades

16GB (8GB X 2)

MacBookPro7,1 only

8GB (4GB X 2)

MacBookPro7,1 only

6GB (4GB + 2GB)

MacBookPro7,1 only

30-day 100% Money-
Back Guarantee!

Easy DIY install
videos

OWC MaxRAM Certification.

You have questions?
We have answers!

Actual product may differ slightly in appearance.

OWC Memory Upgrades 

For 27" iMac with Retina 5K Display (2019 - 2020) &

For 21.5" iMac with Retina 4K Display (2019)

128

GB

Up to 128GB memory for 27" iMac with Retina 5K Display (2019 - 2020)

64

GB

Up to 64GB memory for 21.5" iMac with Retina 4K Display (2019)

4

X

Up to 4x more memory vs. factory options

Works with the following Model IDs

  • iMac20,2
  • MacBookPro5,2
  • MacBookPro5,3
  • iMac20,1
  • MacBookPro5,5
  • MacBookPro6,1
  • iMac19,1
  • MacBookPro7,1
  • iMac19,2
  • MacBookPro7,1

Click here to find your Mac's Model ID

Recommended Upgrades

128GB (32GB X 4)

MacBookPro7,1 only

64GB (16GB X 4)

MacBookPro7,1 only

32GB (16gb x 2)

MacBookPro7,1 only

30-day 100% Money-Back Guarantee!

Easy DIY install videos

OWC MaxRAM Certification.

You have questions? We have answers!

Actual product may differ slightly in appearance.

OWC Memory Upgrades

For 27" iMac with Retina 5K Display (2019 - 2020)

128GB

Up to 128GB memory

4x

Up to 4x more memory vs. factory original

Works with the following Model IDs

  • iMac19,1
  • MacBookPro5,2
  • MacBookPro5,3
  • iMac20,1
  • MacBookPro5,5
  • MacBookPro6,1
  • iMac20,2
  • MacBookPro7,1

Click here to find your Mac's Model ID

Recommended Upgrades

16GB (8GB X 2)

MacBookPro7,1 only

8GB (4GB X 2)

6GB (4GB + 2GB)

30-day 100% Money-Back Guarantee!

Easy DIY install videos

Free shipping on all OWC SSDs

You have questions? We have answers!

RAM Memory

The best choice to give your iMac the ability to do more.

  • This Mac has four available memory slots.
  • Install in pairs for best performance.
  • All installed memory should be the same speed for best performance.
  • Backed by an OWC / Macfixit Australia Lifetime Replacement Warranty.

Buying Options - 2666MHz DDR4 PC4-21300 -- Maximum 128GB Supported

8.0GB 2666MHz DDR4 SO - DIMM PC4 - 21300 SO - DIMM 260 Pin Single Module Memory Upgrade - Macfixit Australia
8.0GB 2666MHz DDR4 SO - DIMM PC4 - 21300 SO - DIMM 260 Pin Single Module Memory Upgrade - Macfixit Australia

8.0GB 2666MHz DDR4 SO-DIMM PC4-21300 SO-DIMM 260 Pin Single Module Memory Upgrade

$199.99

Delivery time

This item is in stock and will ship within 24 hours.

16.0GB 2666MHz DDR4 SO - DIMM PC4 - 21300 SO - DIMM 260 Pin Single Module Memory Upgrade - Macfixit Australia
16.0GB 2666MHz DDR4 SO - DIMM PC4 - 21300 SO - DIMM 260 Pin Single Module Memory Upgrade - Macfixit Australia

16.0GB 2666MHz DDR4 SO-DIMM PC4-21300 SO-DIMM 260 Pin Single Module Memory Upgrade

$309.99

Delivery time

This item is in stock and will ship within 24 hours.

32.0GB 2666MHz DDR4 SO - DIMM PC4 - 21300 SO - DIMM 260 Pin Single Module Memory Upgrade - Macfixit Australia
32.0GB 2666MHz DDR4 SO - DIMM PC4 - 21300 SO - DIMM 260 Pin Single Module Memory Upgrade - Macfixit Australia

32.0GB 2666MHz DDR4 SO-DIMM PC4-21300 SO-DIMM 260 Pin Single Module Memory Upgrade

$569.99

Delivery time

This item is in stock and will ship within 24 hours.

Quality & Performance You Can Trust

Industry Leading Warranty & Support

30 Day Money Back Guarantee

OWC Memory RAM modules are built to the highest quality standards, custom made for Mac first and rigorously lab tested for reliable performance long into the future.

All OWC Memory RAM modules are backed by Australian Lifetime Replacement Warranty, as well as our expert customer support program.

Test drive your OWC Memory RAM for 30 Days. If you are not completely satisfied, simply contact Macfixit Australia to request a full refund. No hassle, no restocking fees .